CVE-2011-0949 describes a denial-of-service vulnerability affecting Cisco IOS XR versions 3.6.x, 3.8.x (before 3.8.3), and 3.9.x (before 3.9.1). The flaw allows remote attackers to exhaust disk space by repeatedly initiating SSHv1 connections, leading to the accumulation of unremoved sshd_lock files in the /tmp/ directory. Rated with a CVSS score of 7.8 (High), this vulnerability is easily exploitable over the network with low attack complexity and no authentication required, resulting in a complete loss of availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
3.6.0CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xr:3.6.0:*:*:*:*:*:*:* | ||
3.6.1CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xr:3.6.1:*:*:*:*:*:*:* | ||
3.6.2CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xr:3.6.2:*:*:*:*:*:*:* | ||
3.6.3CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xr:3.6.3:*:*:*:*:*:*:* | ||
3.8.0CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xr:3.8.0:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:C
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.